| Acronym | Meaning |
| RCB | Remote Circuit Breaker |
| TSGP | Test Sequence Generator Program (ESTEC) |
| TC | Temperature Compensating |
| OSE | Orbiter Support Equipment |
| DD | Mechanical And Facilities Engineering (KSC DE Dir.) |
| GOE | GrGOEGround Operating EquiPMent |
| ETS | Electrical Test Set |
| ETR | Eastern Test Range |
| LC | Incremental Cost |
| SATO | Shuttle Attached Teleoperator |